25657965

素因数分解:

$3^4\times 5^1\times {\mathrm{63353}}^1$

素因数の和:63370

約数の個数: 20

約数和(自身を含む): 45995004

約数和(自身を除く): 20337039

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 63353, 190059, 316765, 570177, 950295, 1710531, 2850885, 5131593, 8552655, 25657965]

約数ペア:

[(1, 25657965), (3, 8552655), (5, 5131593), (9, 2850885), (15, 1710531), (27, 950295), (45, 570177), (81, 316765), (135, 190059), (405, 63353)]